Tim Savidge uses a viewer to look for the endangered dwarf wedge mussel in Swift Creek in Johnston County near Clayton in 2010.
Tim Savidge uses a viewer to look for the endangered dwarf wedge mussel in Swift Creek in Johnston County near Clayton in 2010. CHUCK LIDDY cliddy@newsobserver.com
Tim Savidge uses a viewer to look for the endangered dwarf wedge mussel in Swift Creek in Johnston County near Clayton in 2010. CHUCK LIDDY cliddy@newsobserver.com